Automatically tilting bicycle seatpost



FIG. 1 is a side view, the reverse side is the same.

FIG. 2 is a rear view.

FIG. 3 is a front view.

FIG. 4 is a top view; and,

FIG. 5 is a bottom view.

All views are fragmented to represent indeterminate length. 

The ornamental design for an automatically tilting bicycle seatpost, as shown. 